Lever-filler fountain-pen.



J'. A. KRAKER.

LEVER FILLER FOUNTAIN PEN.

APPLIGATION FILED PEB. 27. LV1-4.

Patented Jam. 1915 extent as rrr .,-d-H JOSEPH A. KRAKER, OF WARREN, ILLINOIS.

LEVER-FILLER Il?OUI'NTAIN-PEN.

. Specification of Letters Patent.

Patented Jan. f2, i915.

Application led February 27, 1914. Serial No. 821,393.

' To all iviom #may concern:

Be it known that I, JOSEPH 1A. KRAnEn, citizenv of the United States, residing at Warren, inthe countyA of Jo Daviess and State of lllinois7 have invented certain new and useful Improvements in Lever-Filler Fountain-Pens; and I do hereby declare the following to be a full, clear, and exact description vof the invention,A such as willenable others skilled in the art to which it V appertains tomake and use the same.

lMy invention relates to fountain pens, and more particularly to a simple and eiiect ive mechanism for compressing the collapsible ink sack or reservoir as commonly used in so-called self-filling fountain pens. In pens of this class it has heretofore been di'ticult to insure an effective filling of the collapsible of compressing the said sack to such an to exclude practically all of the air therefrom without twisting the sack or otherwise subjecting it to strains which would considerably reduce the effective life of any sack made of a material of suiiicient resiliency to readily Vexpand after a relaxing of the trains compressing the same.

voperable sack-compressingl mechanism means for affording an effectue finger-hold,

011e object of my invention is to equip the barrel of a fountain pen housing a'coll'apsible ink sack, with siinple and manually operable means for effecting a compression of the sack substantially throughout the length thereof. Another object is to provide means for rapidly returning the said sack-compressing mechanism to its normalposition so that'no resistance will be encountered by the sack while the normal resiliency thereof shall exand'the sack to draw ink into the same'.

A further object is to equip a `manually wit i which means will normally be retracted so as not to be Yaccidentally engaged by the fingers or clothing of the party using the en. p Further objectswill appear from the'following specification andl panyin'g drawings, in which:

vligu're #-1- is a plan view of a fountain pen equipped with my invention. Fig. '-2 is a fragmentary 'longitudinal section through the same. Fig. is a similar fragmentary section showing the sack-compressing mechanism in the act of compressink sack owing to the difficulty from the accom- V .ing the ink sack. Fig. -elfis a fragmentary section showing the manual operating mechanism as equipped with a. retractable finger hold. Fig. -5'- is a view of a part ofthe sack-compressing mechanism of ll'igs. -`--2 and -3-.

In the drawings, my invention is shownv as applied to a fountain pen comprising a pen point l supported by a holder 2 fitted to a barrel 3, the said holder beingequippe with a feeder tubetfor supplying mk to the pen point 1 from the interior of a sack 5 made of soft rubber or other .suitable material, the open end of which sackiis fitted to the inner end 6 of the holder 2. ,The barrel 3 is equipped upon one side with a slot 7 disposed longitudinally thereof and 'through which slot access may be had to the sack compressing or pressure distributing mechanism interposed between the sack 5 and the said slotted side of the barrel. To effect the desiredvdistribution of the sackcompressing action throughout substantially the entire length 'of the sack, l interpose a substantially rigid or iniiexible bar 8 `between the sack and the said slotted side of the barrel, the said bar S being somewhat shorter than the eompressible ink sack 5. The bar 8 is secured near its center to a flexible member 9 equipped at its opposite ends with annular supports l() and 11, the former of which is preferably integral with the member 9 and both ofwhich are *preferably normally somewhat larger in outside diameter than the bore of the barrel. The annular support 11 preferably is formed to provide a substantially rectangular tube 21 at one end in4 which the adjacent end of the flexible member 9 may slide to and fro when the said member is flexed and straightened. ln assembling thepen, both formations 10 and l1l are contracted to en@ able them vto enter the bore' of the barrel and the entire structure as shown in Fig. --5 is slid into the barrel, whereupon the resiliency of the said end formations will cause the same to expand outwardly into frictional engagement with the walls of the barrel, thereby anchoring the same in the latter: Then thus in position, the annular formation 410 will holdxthe adjacent end of the flexible member 9 immovable with respect to the barrel, while the sliding enga gement between the portion 21 of the formation 11 and the other end of the flexible perspective y anis@ me comprsssion bar 8.

s W 03. y :the member means of am! @Ders np; n 'j'z n handle portion normally pro- #als size fsf is il ff beycfnd the surface o the; barrel 3 asffm exzuns rez-zdiy grasped Wish the ngers @utassied inss 5 nf 'ne said banni, the ssld member comprising s relatively rigid bai, nnnna 'membsrs rlcmonally en y he imi-s nl 'nsbarrs nsarihe o po- IAP hs'sbetwssn; n spx-ing barcarryi'ng said @nessuna bar and 'supp'rted at one and byv an annular spying .rigid therewith' and en agingi'hs boys of .the barre,- and means ric-v1.25' gnsy engaging thsbors 'of the barrel -scsby suppol'ting the otherend of 'f Q @sin pen incudng a barrel,` s

ink-sack and a message Pour' 130 on msn'lbsss my pen constxznc- 'bis ink sack a Fammi honsin the same 'and 110 1 1 e 9 supporting said tube Within said barrel.

bar, a substantially rigid l testimony whereof I have signed' n iy na e in presence of two subscribmg Witnesses.

- 'JOSEPH A. KRAKER. Witnesses:

JOHN M. ELSHEIMER, ALBERT LINDQUEST. 

